Analysis
- max time kernel
74s - max time network
75s - platform
windows7_x64 - resource
win7v20201028 - submitted
31/03/2021, 16:44
Static task
static1
Behavioral task
behavioral1
Sample
document-262264858.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-262264858.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-262264858.xlsm
- Size 106KB
- Sample210331-9f1rhbbvh6
- SHA256 fd35adba2fa800688a05828115e3bd97b5db0d82e990feb62bcfd34092afd985
- MD5 6ddf20305f28c62291a60721348e4c85
- SHA1 49e7d65deb59d037afaaa78de7d4437b4eeb1f3b
- SHA512 e0eac8cbe5a78436dd15a00f864aec2a5542d492363024f399fafc91a38e053b77383f4da66029d36de5b84b09495e357dbc11f7bd57d4dea71d879f16d296ec
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
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xlm4.0
Source
URLs
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xlm40.dropper
https://ieclb.com.br/ds/3103.gif
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xlm40.dropper
https://maharaniworld.com/ds/3103.gif
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xlm40.dropper
https://aycconsultoriaempresarial.com/ds/3103.gif
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xlm40.dropper
https://sgb.ac.ke/ds/3103.gif
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xlm40.dropper
https://hashmati.com/ds/3103.gif
Signatures
- Process spawned unexpected child process 5 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1872 328 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1076 328 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 908 328 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 852 328 rundll32.exe 24 Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1868 328 rundll32.exe 24 - Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 328 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE 328 EXCEL.EXE - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 328 wrote to memory of 1872 328 EXCEL.EXE 31 PID 328 wrote to memory of 1872 328 EXCEL.EXE 31 PID 328 wrote to memory of 1872 328 EXCEL.EXE 31 PID 328 wrote to memory of 1872 328 EXCEL.EXE 31 PID 328 wrote to memory of 1872 328 EXCEL.EXE 31 PID 328 wrote to memory of 1872 328 EXCEL.EXE 31 PID 328 wrote to memory of 1872 328 EXCEL.EXE 31 PID 328 wrote to memory of 1076 328 EXCEL.EXE 32 PID 328 wrote to memory of 1076 328 EXCEL.EXE 32 PID 328 wrote to memory of 1076 328 EXCEL.EXE 32 PID 328 wrote to memory of 1076 328 EXCEL.EXE 32 PID 328 wrote to memory of 1076 328 EXCEL.EXE 32 PID 328 wrote to memory of 1076 328 EXCEL.EXE 32 PID 328 wrote to memory of 1076 328 EXCEL.EXE 32 PID 328 wrote to memory of 908 328 EXCEL.EXE 33 PID 328 wrote to memory of 908 328 EXCEL.EXE 33 PID 328 wrote to memory of 908 328 EXCEL.EXE 33 PID 328 wrote to memory of 908 328 EXCEL.EXE 33 PID 328 wrote to memory of 908 328 EXCEL.EXE 33 PID 328 wrote to memory of 908 328 EXCEL.EXE 33 PID 328 wrote to memory of 908 328 EXCEL.EXE 33 PID 328 wrote to memory of 852 328 EXCEL.EXE 34 PID 328 wrote to memory of 852 328 EXCEL.EXE 34 PID 328 wrote to memory of 852 328 EXCEL.EXE 34 PID 328 wrote to memory of 852 328 EXCEL.EXE 34 PID 328 wrote to memory of 852 328 EXCEL.EXE 34 PID 328 wrote to memory of 852 328 EXCEL.EXE 34 PID 328 wrote to memory of 852 328 EXCEL.EXE 34 PID 328 wrote to memory of 1868 328 EXCEL.EXE 35 PID 328 wrote to memory of 1868 328 EXCEL.EXE 35 PID 328 wrote to memory of 1868 328 EXCEL.EXE 35 PID 328 wrote to memory of 1868 328 EXCEL.EXE 35 PID 328 wrote to memory of 1868 328 EXCEL.EXE 35 PID 328 wrote to memory of 1868 328 EXCEL.EXE 35 PID 328 wrote to memory of 1868 328 EXCEL.EXE 35
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-262264858.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:328 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1872
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1076
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:908
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:852
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1868
-